v8  5.8.282(node8.0.0)
V8 is Google's open source JavaScript engine
Internals Class Reference

#include <v8.h>

Static Public Member Functions

static V8_EXPORT void CheckInitializedImpl (v8::Isolate *isolate)
 
static V8_INLINE void CheckInitialized (v8::Isolate *isolate)
 
static V8_INLINE bool HasHeapObjectTag (const internal::Object *value)
 
static V8_INLINE int SmiValue (const internal::Object *value)
 
static V8_INLINE internal::Object * IntToSmi (int value)
 
static V8_INLINE bool IsValidSmi (intptr_t value)
 
static V8_INLINE int GetInstanceType (const internal::Object *obj)
 
static V8_INLINE int GetOddballKind (const internal::Object *obj)
 
static V8_INLINE bool IsExternalTwoByteString (int instance_type)
 
static V8_INLINE uint8_t GetNodeFlag (internal::Object **obj, int shift)
 
static V8_INLINE void UpdateNodeFlag (internal::Object **obj, bool value, int shift)
 
static V8_INLINE uint8_t GetNodeState (internal::Object **obj)
 
static V8_INLINE void UpdateNodeState (internal::Object **obj, uint8_t value)
 
static V8_INLINE void SetEmbedderData (v8::Isolate *isolate, uint32_t slot, void *data)
 
static V8_INLINE void * GetEmbedderData (const v8::Isolate *isolate, uint32_t slot)
 
static V8_INLINE internal::Object ** GetRoot (v8::Isolate *isolate, int index)
 
template<typename T >
static V8_INLINEReadField (const internal::Object *ptr, int offset)
 
template<typename T >
static V8_INLINEReadEmbedderData (const v8::Context *context, int index)
 

Static Public Attributes

static const int kHeapObjectMapOffset = 0
 
static const int kMapInstanceTypeAndBitFieldOffset
 
static const int kStringResourceOffset = 3 * kApiPointerSize
 
static const int kOddballKindOffset = 4 * kApiPointerSize + sizeof(double)
 
static const int kForeignAddressOffset = kApiPointerSize
 
static const int kJSObjectHeaderSize = 3 * kApiPointerSize
 
static const int kFixedArrayHeaderSize = 2 * kApiPointerSize
 
static const int kContextHeaderSize = 2 * kApiPointerSize
 
static const int kContextEmbedderDataIndex = 5
 
static const int kFullStringRepresentationMask = 0x0f
 
static const int kStringEncodingMask = 0x8
 
static const int kExternalTwoByteRepresentationTag = 0x02
 
static const int kExternalOneByteRepresentationTag = 0x0a
 
static const int kIsolateEmbedderDataOffset = 0 * kApiPointerSize
 
static const int kExternalMemoryOffset = 4 * kApiPointerSize
 
static const int kExternalMemoryLimitOffset
 
static const int kIsolateRootsOffset
 
static const int kUndefinedValueRootIndex = 4
 
static const int kTheHoleValueRootIndex = 5
 
static const int kNullValueRootIndex = 6
 
static const int kTrueValueRootIndex = 7
 
static const int kFalseValueRootIndex = 8
 
static const int kEmptyStringRootIndex = 9
 
static const int kNodeClassIdOffset = 1 * kApiPointerSize
 
static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3
 
static const int kNodeStateMask = 0x7
 
static const int kNodeStateIsWeakValue = 2
 
static const int kNodeStateIsPendingValue = 3
 
static const int kNodeStateIsNearDeathValue = 4
 
static const int kNodeIsIndependentShift = 3
 
static const int kNodeIsActiveShift = 4
 
static const int kJSApiObjectType = 0xb9
 
static const int kJSObjectType = 0xba
 
static const int kFirstNonstringType = 0x80
 
static const int kOddballType = 0x82
 
static const int kForeignType = 0x86
 
static const int kUndefinedOddballKind = 5
 
static const int kNullOddballKind = 3
 
static const uint32_t kNumIsolateDataSlots = 4
 

Detailed Description

This class exports constants and functionality from within v8 that is necessary to implement inline functions in the v8 api. Don't depend on functions and constants defined here.

Definition at line 8491 of file v8.h.

Member Function Documentation

static V8_INLINE void CheckInitialized ( v8::Isolate isolate)
inlinestatic

Definition at line 8546 of file v8.h.

Referenced by String::Empty(), v8::False(), v8::Null(), v8::True(), and v8::Undefined().

static V8_EXPORT void CheckInitializedImpl ( v8::Isolate isolate)
static
static V8_INLINE void* GetEmbedderData ( const v8::Isolate isolate,
uint32_t  slot 
)
inlinestatic

Definition at line 8618 of file v8.h.

References v8::internal::kApiPointerSize, and Internals::kIsolateEmbedderDataOffset.

Referenced by Isolate::GetData().

static V8_INLINE uint8_t GetNodeFlag ( internal::Object **  obj,
int  shift 
)
inlinestatic

Definition at line 8587 of file v8.h.

References Internals::kNodeFlagsOffset.

Referenced by PersistentBase< T >::IsIndependent().

static V8_INLINE uint8_t GetNodeState ( internal::Object **  obj)
inlinestatic
static V8_INLINE int GetOddballKind ( const internal::Object *  obj)
inlinestatic
static V8_INLINE bool HasHeapObjectTag ( const internal::Object *  value)
inlinestatic

Definition at line 8552 of file v8.h.

References v8::internal::kHeapObjectTag, and v8::internal::kHeapObjectTagMask.

static V8_INLINE internal::Object* IntToSmi ( int  value)
inlinestatic
static V8_INLINE bool IsExternalTwoByteString ( int  instance_type)
inlinestatic
static V8_INLINE bool IsValidSmi ( intptr_t  value)
inlinestatic

Definition at line 8565 of file v8.h.

References SmiTagging< 8 >::IsValidSmi().

Referenced by ReturnValue< T >::Set().

static V8_INLINE void SetEmbedderData ( v8::Isolate isolate,
uint32_t  slot,
void *  data 
)
inlinestatic

Definition at line 8610 of file v8.h.

References v8::internal::kApiPointerSize, and Internals::kIsolateEmbedderDataOffset.

Referenced by Isolate::SetData().

static V8_INLINE int SmiValue ( const internal::Object *  value)
inlinestatic

Definition at line 8557 of file v8.h.

References SmiTagging< 8 >::SmiToInt().

Referenced by Internals::GetOddballKind().

static V8_INLINE void UpdateNodeFlag ( internal::Object **  obj,
bool  value,
int  shift 
)
inlinestatic
static V8_INLINE void UpdateNodeState ( internal::Object **  obj,
uint8_t  value 
)
inlinestatic

Definition at line 8604 of file v8.h.

References Internals::kNodeFlagsOffset, and Internals::kNodeStateMask.

Field Documentation

const int kContextEmbedderDataIndex = 5
static

Definition at line 8505 of file v8.h.

Referenced by Internals::ReadEmbedderData().

const int kContextHeaderSize = 2 * kApiPointerSize
static

Definition at line 8504 of file v8.h.

Referenced by Internals::ReadEmbedderData().

const int kEmptyStringRootIndex = 9
static

Definition at line 8523 of file v8.h.

Referenced by String::Empty(), and ReturnValue< T >::SetEmptyString().

const int kExternalMemoryLimitOffset
static
Initial value:

Definition at line 8513 of file v8.h.

Referenced by Isolate::AdjustAmountOfExternalAllocatedMemory().

const int kExternalMemoryOffset = 4 * kApiPointerSize
static

Definition at line 8512 of file v8.h.

Referenced by Isolate::AdjustAmountOfExternalAllocatedMemory().

const int kExternalOneByteRepresentationTag = 0x0a
static

Definition at line 8509 of file v8.h.

Referenced by String::GetExternalStringResourceBase().

const int kExternalTwoByteRepresentationTag = 0x02
static
const int kFalseValueRootIndex = 8
static

Definition at line 8522 of file v8.h.

Referenced by v8::False(), and ReturnValue< T >::Set().

const int kFirstNonstringType = 0x80
static

Definition at line 8536 of file v8.h.

const int kFixedArrayHeaderSize = 2 * kApiPointerSize
static

Definition at line 8503 of file v8.h.

Referenced by Internals::ReadEmbedderData().

const int kForeignAddressOffset = kApiPointerSize
static

Definition at line 8501 of file v8.h.

const int kForeignType = 0x86
static

Definition at line 8538 of file v8.h.

const int kFullStringRepresentationMask = 0x0f
static
const int kHeapObjectMapOffset = 0
static

Definition at line 8495 of file v8.h.

Referenced by Internals::GetInstanceType().

const int kIsolateEmbedderDataOffset = 0 * kApiPointerSize
static

Definition at line 8511 of file v8.h.

Referenced by Internals::GetEmbedderData(), and Internals::SetEmbedderData().

const int kIsolateRootsOffset
static
Initial value:

Definition at line 8515 of file v8.h.

Referenced by Internals::GetRoot().

const int kJSApiObjectType = 0xb9
static

Definition at line 8534 of file v8.h.

Referenced by Object::GetAlignedPointerFromInternalField(), and Object::GetInternalField().

const int kJSObjectHeaderSize = 3 * kApiPointerSize
static

Definition at line 8502 of file v8.h.

Referenced by Object::GetAlignedPointerFromInternalField(), and Object::GetInternalField().

const int kJSObjectType = 0xba
static

Definition at line 8535 of file v8.h.

Referenced by Object::GetAlignedPointerFromInternalField(), and Object::GetInternalField().

const int kMapInstanceTypeAndBitFieldOffset
static
Initial value:

Definition at line 8496 of file v8.h.

Referenced by Internals::GetInstanceType().

const int kNodeClassIdOffset = 1 * kApiPointerSize
static
const int kNodeFlagsOffset = 1 * kApiPointerSize + 3
static
const int kNodeIsActiveShift = 4
static

Definition at line 8532 of file v8.h.

Referenced by PersistentBase< T >::MarkActive().

const int kNodeIsIndependentShift = 3
static
const int kNodeStateIsNearDeathValue = 4
static

Definition at line 8530 of file v8.h.

Referenced by PersistentBase< T >::IsNearDeath().

const int kNodeStateIsPendingValue = 3
static

Definition at line 8529 of file v8.h.

Referenced by PersistentBase< T >::IsNearDeath().

const int kNodeStateIsWeakValue = 2
static

Definition at line 8528 of file v8.h.

Referenced by PersistentBase< T >::IsWeak().

const int kNodeStateMask = 0x7
static

Definition at line 8527 of file v8.h.

Referenced by Internals::GetNodeState(), and Internals::UpdateNodeState().

const int kNullOddballKind = 3
static

Definition at line 8541 of file v8.h.

const int kNullValueRootIndex = 6
static

Definition at line 8520 of file v8.h.

Referenced by v8::Null(), and ReturnValue< T >::SetNull().

const uint32_t kNumIsolateDataSlots = 4
static

Definition at line 8543 of file v8.h.

Referenced by Isolate::GetNumberOfDataSlots().

const int kOddballKindOffset = 4 * kApiPointerSize + sizeof(double)
static

Definition at line 8500 of file v8.h.

Referenced by Internals::GetOddballKind().

const int kOddballType = 0x82
static

Definition at line 8537 of file v8.h.

const int kStringEncodingMask = 0x8
static

Definition at line 8507 of file v8.h.

Referenced by String::GetExternalStringResourceBase().

const int kStringResourceOffset = 3 * kApiPointerSize
static
const int kTheHoleValueRootIndex = 5
static

Definition at line 8519 of file v8.h.

Referenced by ReturnValue< T >::Get().

const int kTrueValueRootIndex = 7
static

Definition at line 8521 of file v8.h.

Referenced by ReturnValue< T >::Set(), and v8::True().

const int kUndefinedOddballKind = 5
static

Definition at line 8540 of file v8.h.

const int kUndefinedValueRootIndex = 4
static

Definition at line 8518 of file v8.h.

Referenced by ReturnValue< T >::SetUndefined(), and v8::Undefined().


The documentation for this class was generated from the following file: